package cc.chengheng.七大原则.A单一职责原则;

/**
 * 单一职责
 */
public class SingleResponsibility2 {
    public static void main(String[] args) {
        RoadVehicle roadVehicle = new RoadVehicle();
        roadVehicle.run("摩托车");
        roadVehicle.run("汽车");

        AirVehicle airVehicle = new AirVehicle();
        airVehicle.run("飞机");
    }
}

/**
 * 方案2分析
 *  1、遵守了单一职责原则
 *  2、但是这样做的改动很大，即将类分解，同时修改客户端
 *  3、改进：直接修改 Vehicle 类，改动的代码会比较少 => 方案3
 */
class RoadVehicle {
    public void run(String vehicle) {
        System.out.println(vehicle + "在公路上运行...");
    }
}

class AirVehicle {
    public void run(String vehicle) {
        System.out.println(vehicle + "在天空上运行...");
    }
}

class WaterVehicle {
    public void run(String vehicle) {
        System.out.println(vehicle + "在水上运行...");
    }
}
